:root {
    --bg: #e8f0ff;
    --panel: rgba(255, 255, 255, 0.78);
    --panel-border: rgba(255, 255, 255, 0.55);
    --text: #1f2748;
    --muted: #5e6b8a;
    --accent: #43b5ff;
    --accent-strong: #1e7ff2;
    --card: rgba(255, 255, 255, 0.86);
    --card-border: rgba(67, 181, 255, 0.2);
    --chip: #f2f6ff;
    --warn: #e8536b;
    --shadow: 0 14px 40px rgba(41, 71, 125, 0.16);
    font-family: "Segoe UI", "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background:
        radial-gradient(140% 80% at 0% 20%, #f7fbff 0%, #d5e4ff 50%, #f1f7ff 100%),
        linear-gradient(135deg, #f0f5ff 0%, #eef7ff 45%, #e3f0ff 100%);
    min-height: 100vh;
}

.hero {
    padding: 28px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(120deg, rgba(67, 181, 255, 0.35), rgba(126, 216, 255, 0.9));
    border-bottom: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 8px 30px rgba(47, 109, 189, 0.18);
    backdrop-filter: blur(10px);
}

.hero__text h1 {
    margin: 4px 0;
    font-size: 34px;
    letter-spacing: 0.02em;
}

.hero__text .subtitle {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 14px;
}

.eyebrow {
    margin: 0;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--accent);
}

.hero__badge {
    padding: 6px 10px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 999px;
    font-size: 12px;
    color: #fff;
    background: rgba(255, 255, 255, 0.18);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.page {
    max-width: 1080px;
    margin: 0 auto;
    padding: 20px;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 18px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(14px);
}

.panel__header h2 {
    margin: 0 0 4px;
    font-size: 18px;
}

.panel__header p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

.result-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}
.result-title-block {
    display: flex;
    align-items: center;
    gap: 12px;
}
.result-title-wrap {
    display: flex;
    flex-direction: column;
}
.result-logo {
    width: 88px;
    height: auto;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(67, 181, 255, 0.24);
    border-radius: 14px;
    padding: 8px 10px;
    box-shadow: 0 10px 26px rgba(47, 109, 189, 0.14);
}
.result-header .button {
    margin-top: 10px;
}

.gate-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin-top: 14px;
}

.gate-card {
    position: relative;
    background: linear-gradient(145deg, color-mix(in srgb, var(--gate-color, #7ac4ff) 18%, #ffffff 82%), rgba(255, 255, 255, 0.9));
    border: 1px solid color-mix(in srgb, var(--gate-color, #7ac4ff) 40%, rgba(255, 255, 255, 0.7) 60%);
    border-radius: 14px;
    padding: 10px 10px 8px;
    cursor: pointer;
    transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
    box-shadow: 0 12px 30px color-mix(in srgb, var(--gate-color, #7ac4ff) 20%, #2d3b62 10%);
    overflow: hidden;
    backdrop-filter: blur(8px);
}

.gate-card:hover {
    border-color: color-mix(in srgb, var(--gate-color, #7ac4ff) 70%, #ffffff 30%);
    transform: translateY(-2px);
    box-shadow: 0 16px 34px color-mix(in srgb, var(--gate-color, #7ac4ff) 28%, #2d3b62 10%);
}

.gate-card.selected {
    border-color: color-mix(in srgb, var(--gate-color, #7ac4ff) 80%, #ffffff 20%);
    box-shadow: 0 0 0 1.4px color-mix(in srgb, var(--gate-color, #7ac4ff) 80%, #ffffff 20%), 0 14px 36px color-mix(in srgb, var(--gate-color, #7ac4ff) 35%, #2d3b62 8%);
}

.gate-card img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.6);
}

.gate-card h3 {
    margin: 8px 4px 0;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gate-card .unit {
    margin: 2px 4px 4px;
    font-size: 12px;
    color: color-mix(in srgb, var(--gate-color, #7ac4ff) 40%, var(--muted) 60%);
}

.gate-card .gate-icon {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid color-mix(in srgb, var(--gate-color, #7ac4ff) 50%, rgba(255, 255, 255, 0.8) 50%);
    padding: 6px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.level-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 14px;
    align-items: flex-end;
}

.field {
    display: flex;
    flex-direction: column;
    color: var(--muted);
    font-size: 13px;
    min-width: 140px;
}

.field input {
    margin-top: 6px;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid rgba(67, 181, 255, 0.24);
    background: rgba(255, 255, 255, 0.9);
    color: var(--text);
    font-size: 15px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.button {
    padding: 11px 16px;
    border-radius: 12px;
    border: 1px solid rgba(67, 181, 255, 0.3);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(236, 245, 255, 0.9));
    color: var(--text);
    cursor: pointer;
    transition: all 0.18s ease;
    font-size: 15px;
    box-shadow: var(--shadow);
}

.button.primary {
    background: linear-gradient(135deg, #6fd3ff, #b4f1ff);
    color: #12315c;
    border: none;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.button:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 26px rgba(73, 135, 216, 0.2);
}

.summary-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin: 12px 0 16px;
}

.chip {
    background: var(--chip);
    border: 1px solid rgba(67, 181, 255, 0.2);
    padding: 10px 12px;
    border-radius: 12px;
    color: var(--muted);
    font-size: 13px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.materials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 10px;
}

.material-card {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 10px;
    padding: 10px;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    align-items: center;
    box-shadow: var(--shadow);
}

.material-card img {
    width: 64px;
    height: 64px;
    object-fit: contain;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 10px;
    border: 1px solid rgba(67, 181, 255, 0.18);
}

.material-info h4 {
    margin: 0 0 4px;
    font-size: 14px;
}

.material-info p {
    margin: 0 0 8px;
    color: var(--muted);
    font-size: 12px;
}

.material-stats {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.stat {
    background: rgba(255, 255, 255, 0.92);
    padding: 6px 10px;
    border-radius: 10px;
    border: 1px solid rgba(67, 181, 255, 0.2);
    font-size: 12px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.owned-input {
    width: 90px;
    padding: 6px 8px;
    border-radius: 8px;
    border: 1px solid rgba(67, 181, 255, 0.24);
    background: rgba(255, 255, 255, 0.95);
    color: var(--text);
    font-size: 13px;
}

.missing {
    color: var(--warn);
    font-weight: 700;
}

.hidden {
    display: none !important;
}

@media (max-width: 640px) {
    .hero { padding: 20px 16px; }
    .page { padding: 14px; }
    .level-row { flex-direction: column; align-items: stretch; }
    .materials { grid-template-columns: 1fr; }
}